In the 1980s, Hyeon-soo, who is from a rich family but causes all sorts of trouble, barely makes it out of junior high and makes it to the next grade where he steps out of the 'Hurricane's' line.
Jung-Jin is a criminal profiler and he came from the FBI in the United States. Yoo-Min is a detective and he graduated from the top police university, but he is more interested in women then arresting criminals. Jung-Jin and Yoo-Min are called to the special investigation headquarter for a secret meeting. There, Jung-Jin and Yoo-Min receive an order to take down the boss of a criminal organization. The crime boss, with the help of people in power, appears untouchable.
Novelist Jeong-seok is looking for his missing wife. A woman appears in front of him and suggests that she can find his wife. Meanwhile, some people approach him and ask him to find missing people. They find themselves becoming chased at some point.
Lee Yong Goo tem a mente de uma criança de seis anos, que na verdade é a idade de sua filha, Ye Sung. Um dia a filha de um chefe de polícia morre em um estranho acidente e Yong Goo é acusando e sentenciado a morte por sequestro, agressão sexual e assassinato de um menor.